31808840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{16229}}^1$

素因数の和:16254

約数の個数: 48

約数和(自身を含む): 83259900

約数和(自身を除く): 51451060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 16229, 32458, 64916, 81145, 113603, 129832, 162290, 227206, 324580, 454412, 568015, 649160, 795221, 908824, 1136030, 1590442, 2272060, 3180884, 3976105, 4544120, 6361768, 7952210, 15904420, 31808840]

約数ペア:

[(1, 31808840), (2, 15904420), (4, 7952210), (5, 6361768), (7, 4544120), (8, 3976105), (10, 3180884), (14, 2272060), (20, 1590442), (28, 1136030), (35, 908824), (40, 795221), (49, 649160), (56, 568015), (70, 454412), (98, 324580), (140, 227206), (196, 162290), (245, 129832), (280, 113603), (392, 81145), (490, 64916), (980, 32458), (1960, 16229)]